2242645

Information

• Patent Grant
• 2242645

• References
• Source

• Patent Number

  2,242,645

• Date Filed

  Not available

• Date Issued

  Tuesday, May 20, 1941
  83 years ago

• CPC

  • B26F1/26 - Perforating by non-mechanical means
  • B26F1/0084 - specially adapted for perforating rubber
  • B26F1/24 - Perforating by needles or pins
  • Y10T83/0414 - At localized area [e.g., line of separation]
  • Y10T83/0424 - By stretching
  • Y10T83/283 - With means to control or modify temperature of apparatus or work
  • Y10T83/343 - With means to deform work temporarily
  • Y10T83/8752 - Tool moves work to and against cooperating tool

• US Classifications

  • 083 - Cutting
  • 219 - Electric heating